[thirdparty/xfsprogs-dev.git] / fsck / xfs_fsck.sh

#!/bin/sh -f
#
# Copyright (c) 2006 Silicon Graphics, Inc.  All Rights Reserved.
#

NAME=$0

# get the right return code for fsck
repair2fsck_code() {
	case $1 in
	0)  return 0 # everything is ok
		;;
	1)  echo "$NAME error: xfs_repair could not fix the filesystem." 1>&2
		return 4 # errors left uncorrected
		;;
	2)  echo "$NAME error: The filesystem log is dirty, mount it to recover" \
		     "the log. If that fails, refer to the section DIRTY LOGS in the" \
		     "xfs_repair manual page." 1>&2
		return 4 # dirty log, don't do anything and let the user solve it
		;;
	4)  return 1 # The fs has been fixed
		;;
	127)
		echo "$NAME error: xfs_repair was not found!" 1>&2
		return 4
		;;
	*)  echo "$NAME error: An unknown return code from xfs_repair '$1'" 1>&2
		return 4 # something went wrong with xfs_repair
	esac
}

AUTO=false
FORCE=false
REPAIR=false
while getopts ":aApyf" c
do
	case $c in
	a|A|p)		AUTO=true;;
	y)		REPAIR=true;;
	f)      	FORCE=true;;
	esac
done
eval DEV=\${$#}
if [ ! -e $DEV ]; then
	echo "$0: $DEV does not exist"
	exit 8
fi

# The flag -f is added by systemd/init scripts when /forcefsck file is present
# or fsck.mode=force is used during boot; an unclean shutdown won't trigger
# this check, user has to explicitly require a forced fsck.
# But first of all, test if it is a non-interactive session.
# Invoking xfs_repair via fsck.xfs is only intended to happen via initscripts.
# Normal administrative filesystem repairs should always invoke xfs_repair
# directly.
#
# Use multiple methods to capture most of the cases:
# The case for *i* and -n "$PS1" are commonly suggested in bash manual
# and the -t 0 test checks stdin
case $- in
	*i*) FORCE=false ;;
esac
if [ -n "$PS1" -o -t 0 ]; then
	FORCE=false
fi

if $FORCE; then
	xfs_repair -e $DEV
	error=$?
	if [ $error -eq 2 ] && [ $REPAIR = true ]; then
		echo "Replaying log for $DEV"
		mkdir -p /tmp/repair_mnt || exit 1
		for x in $(cat /proc/cmdline); do
			case $x in
				root=*)
					ROOT="${x#root=}"
				;;
				rootflags=*)
					ROOTFLAGS="-o ${x#rootflags=}"
				;;
			esac
		done
		test -b "$ROOT" || ROOT=$(blkid -t "$ROOT" -o device)
		if [ $(basename $DEV) = $(basename $ROOT) ]; then
			mount $DEV /tmp/repair_mnt $ROOTFLAGS || exit 1
		else
			mount $DEV /tmp/repair_mnt || exit 1
		fi
		umount /tmp/repair_mnt
		xfs_repair -e $DEV
		error=$?
		rm -d /tmp/repair_mnt
	fi
	repair2fsck_code $error
	exit $?
fi

if $AUTO; then
	echo "$0: XFS file system."
else
	echo "If you wish to check the consistency of an XFS filesystem or"
	echo "repair a damaged filesystem, see xfs_repair(8)."
fi
exit 0
Commit	Line	Data
21f63869 NS	1	#!/bin/sh -f
	2	#
	3	# Copyright (c) 2006 Silicon Graphics, Inc. All Rights Reserved.
	4	#
	5
04a2d5dc JT	6	NAME=$0
	7
	8	# get the right return code for fsck
7a58ab01	9	repair2fsck_code() {
04a2d5dc JT	10	case $1 in
	11	0) return 0 # everything is ok
	12	;;
	13	1) echo "$NAME error: xfs_repair could not fix the filesystem." 1>&2
	14	return 4 # errors left uncorrected
	15	;;
	16	2) echo "$NAME error: The filesystem log is dirty, mount it to recover" \
	17	"the log. If that fails, refer to the section DIRTY LOGS in the" \
	18	"xfs_repair manual page." 1>&2
	19	return 4 # dirty log, don't do anything and let the user solve it
	20	;;
	21	4) return 1 # The fs has been fixed
	22	;;
e3f20e60 DW	23	127)
	24	echo "$NAME error: xfs_repair was not found!" 1>&2
	25	return 4
	26	;;
04a2d5dc JT	27	*) echo "$NAME error: An unknown return code from xfs_repair '$1'" 1>&2
	28	return 4 # something went wrong with xfs_repair
	29	esac
	30	}
	31
21f63869	32	AUTO=false
04a2d5dc	33	FORCE=false
79ba1e15	34	REPAIR=false
04a2d5dc	35	while getopts ":aApyf" c
21f63869 NS	36	do
21f63869 NS	37	case $c in
79ba1e15 S	38	a\|A\|p) AUTO=true;;
79ba1e15 S	39	y) REPAIR=true;;
04a2d5dc	40	f) FORCE=true;;
21f63869 NS	41	esac
21f63869 NS	42	done
ec16267e BN	43	eval DEV=\${$#}
	44	if [ ! -e $DEV ]; then
	45	echo "$0: $DEV does not exist"
	46	exit 8
	47	fi
04a2d5dc JT	48
	49	# The flag -f is added by systemd/init scripts when /forcefsck file is present
	50	# or fsck.mode=force is used during boot; an unclean shutdown won't trigger
	51	# this check, user has to explicitly require a forced fsck.
	52	# But first of all, test if it is a non-interactive session.
	53	# Invoking xfs_repair via fsck.xfs is only intended to happen via initscripts.
	54	# Normal administrative filesystem repairs should always invoke xfs_repair
	55	# directly.
	56	#
	57	# Use multiple methods to capture most of the cases:
	58	# The case for i and -n "$PS1" are commonly suggested in bash manual
	59	# and the -t 0 test checks stdin
	60	case $- in
	61	i) FORCE=false ;;
	62	esac
	63	if [ -n "$PS1" -o -t 0 ]; then
	64	FORCE=false
	65	fi
	66
	67	if $FORCE; then
e3f20e60	68	xfs_repair -e $DEV
79ba1e15 S	69	error=$?
	70	if [ $error -eq 2 ] && [ $REPAIR = true ]; then
	71	echo "Replaying log for $DEV"
	72	mkdir -p /tmp/repair_mnt \|\| exit 1
	73	for x in $(cat /proc/cmdline); do
	74	case $x in
	75	root=*)
	76	ROOT="${x#root=}"
	77	;;
	78	rootflags=*)
	79	ROOTFLAGS="-o ${x#rootflags=}"
	80	;;
	81	esac
	82	done
	83	test -b "$ROOT" \|\| ROOT=$(blkid -t "$ROOT" -o device)
	84	if [ $(basename $DEV) = $(basename $ROOT) ]; then
	85	mount $DEV /tmp/repair_mnt $ROOTFLAGS \|\| exit 1
	86	else
	87	mount $DEV /tmp/repair_mnt \|\| exit 1
	88	fi
	89	umount /tmp/repair_mnt
	90	xfs_repair -e $DEV
	91	error=$?
	92	rm -d /tmp/repair_mnt
	93	fi
	94	repair2fsck_code $error
04a2d5dc JT	95	exit $?
	96	fi
	97
21f63869 NS	98	if $AUTO; then
	99	echo "$0: XFS file system."
	100	else
	101	echo "If you wish to check the consistency of an XFS filesystem or"
12a48f5d	102	echo "repair a damaged filesystem, see xfs_repair(8)."
21f63869 NS	103	fi
21f63869 NS	104	exit 0